Patentable/Patents/US-11194430
US-11194430

Touch display device

PublishedDecember 7, 2021
Assigneenot available in USPTO data we have
Inventorsnot available in USPTO data we have
Technical Abstract

A touch display device includes a cover plate, a touch display module, a substrate, a liner layer disposed on the substrate, a first transparent substrate disposed on the liner layer, a second transparent substrate disposed on the liner layer, a touch driving electrode and a touch sensing electrode. The touch driving electrode is disposed on the first transparent substrate, and the touch sensing electrode is disposed on the second transparent substrate. A capacitance between the touch driving electrode and the touch sensing electrode is varied to perform touch sensing when the touch display device is applied. A distance between the touch driving electrode and the touch sensing electrode is varied perform pressure sensing when a certain pressure is applied to the touch driving electrode.

Patent Claims
18 claims

Legal claims defining the scope of protection, as filed with the USPTO.

1

1. A touch display device, comprising: a substrate; a liner layer disposed on the substrate; a first transparent substrate disposed on the liner layer; a second transparent substrate disposed on the liner layer; and a touch electrode, wherein the touch electrode comprises a touch driving electrode and a touch sensing electrode, and the touch driving electrode is disposed on the first transparent substrate, and the touch sensing electrode is disposed on the second transparent substrate, wherein a capacitance between the touch driving electrode and the touch sensing electrode is varied to perform touch sensing when touch control is applied; wherein one of the first transparent substrate and the second transparent substrate is patterned; the first transparent substrate and the second transparent substrate move to each other to change a distance between the touch driving electrode and the touch sensing electrode when a certain pressure is applied to the touch display device; and the capacitance between the touch driving electrode and the touch sensing electrode is varied to perform pressure sensing.

2

2. The touch display device according to claim 1 , further comprising a cover plate.

3

3. The touch display device according to claim 1 , wherein the first transparent substrate is a patterned first transparent substrate and the patterned first transparent substrate comprises a plurality of cylindrical bodies.

4

4. The touch display device according to claim 1 , wherein the second transparent substrate is a patterned second transparent substrate and the patterned first transparent substrate comprises a plurality of cylindrical bodies.

5

5. The touch display device according to claim 1 , wherein the first transparent substrate and the second transparent substrate each are made of polyimide.

6

6. The touch display device according to claim 1 , wherein the liner layer comprises silicon dioxide.

7

7. The touch display device according to claim 1 , further comprising an insulating layer, a metal bridge, and an organic protective layer, wherein the insulating layer comprises silicon nitride or silicon oxide.

8

8. The touch display device according to claim 7 , wherein the insulating layer is disposed above the touch driving electrode and the touch sensing electrode, the metal bridge is disposed above the insulating layer, and an organic protective layer is disposed above the metal bridge and covers the insulating layer.

9

9. The touch display device according to claim 8 , wherein the metal bridge connects with adjacent touch driving electrode.

10

10. The touch display device according to claim 1 , wherein there is a predetermined distance between the touch driving electrode and the touch sensing electrode.

11

11. A touch display device, comprising: a substrate; a liner layer disposed on the substrate, wherein the liner layer comprises silicon dioxide; a first transparent substrate disposed on the liner layer, wherein the first transparent substrate is made of polyimide; a second transparent substrate disposed on the liner layer, wherein the second transparent substrate is made of polyimide; and a touch electrode, wherein the touch electrode comprises a touch driving electrode and a touch sensing electrode, and the touch driving electrode is disposed on the first transparent substrate, and the touch sensing electrode is disposed on the second transparent substrate, wherein a capacitance between the touch driving electrode and the touch sensing electrode is varied to perform touch sensing when touch control is performed; wherein one of the first transparent substrate and the second transparent substrate is patterned, and the first transparent substrate and the second transparent substrate move to each other to change a distance between the touch driving electrode and the touch sensing electrode when a certain pressure is applied to the touch display device, and the capacitance between the touch driving electrode and the touch sensing electrode is varied to perform pressure sensing.

12

12. The touch display device according to claim 11 , further comprising a cover plate.

13

13. The touch display device according to claim 11 , wherein the first transparent substrate is a patterned first transparent substrate, and the patterned first transparent substrate comprises a plurality of cylindrical bodies.

14

14. The touch display device according to claim 11 , wherein the second transparent substrate is a patterned second transparent substrate and the patterned first transparent substrate comprises a plurality of cylindrical bodies.

15

15. The touch display device according to claim 11 , further comprising an insulating layer, a metal bridge, and an organic protective layer, wherein the insulating layer comprises silicon nitride or silicon oxide.

16

16. The touch display device according to claim 15 , wherein the insulating layer is disposed above the touch driving electrode and the touch sensing electrode, the metal bridge is disposed above the insulating layer, and an organic protective layer is disposed above the metal bridge and covers the insulating layer.

17

17. The touch display device according to claim 16 , wherein the metal bridge connects with an adjacent touch driving electrode.

18

18. The touch display device according to claim 11 , wherein there is a predetermined distance between the touch driving electrode and the touch sensing electrode.

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Patent Metadata

Filing Date

April 12, 2019

Publication Date

December 7, 2021

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